A Glass Window Is Installed in the Window Space and the Intensity

question 41

Multiple Choice

A glass window is installed in the window space and the intensity level of the sound entering through the window is reduced from 72 dB to 47 dB.The factor,by which the acoustic power entering the chamber is reduced by the glass window,is closest to:

• A)3.2 × 10^-3
• B)2.2 × 10^-2
• C)5.6 × 10^-2
• D)1.0 × 10^-1
• E)1.5 × 10^-1

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Definitions:

Social Ritual

Established patterns of behavior or ceremonies that are performed by a community or society, often with symbolic meaning and serving to reinforce social bonds or traditions.

Hardship

Severe suffering or deprivation, often caused by poverty, illness, or adverse circumstances, challenging one's ability to cope and survive.

Boston Massacre

A confrontation on March 5, 1770, in which British soldiers shot and killed several people while being harassed by a mob in Boston, considered a pivotal event leading up to the American Revolution.

Public Opinion

The collective attitudes, beliefs, and perceptions of a population about issues of interest or concern.